介绍了川合139井各井段钻井施工难点及主要技术措施。
This paper presented the drilling problems and main techniques in each interval of Chuanhe 139 Well.
该地区储层层内、层间非均质性强烈，以及裂缝的发育程度都造成各井之间产量差异巨大。
Reservoir layers in the region, the layer of strong heterogeneity, and the development of fractures are caused by large differences in yield between the various wells.
根据钻井水力学理论，在各井段最小排量确定的基础上，建立了泥浆泵泵压、泵功率预测模型。
According to the theory of drilling hydraulics, prediction model for mud pump was established on the basis of ensuring minimum flow rate.
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